code: def env():
      """returns a new environment."""
      return Environment()
  
file_path: catboost/contrib/python/Jinja2/py3/tests/conftest.py
imports: from pathlib import Path
  import pytest
  from jinja2 import loaders
  from jinja2.environment import Environment
label_desc: Use image node_id 1 for calling a global function with example usage: env() and returns: Environment